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Finding the Fourth Proportional to 585,011.39, 807,305.85 and 326,892.51

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Solution

The fourth proportional to 585,011.39, 807,305.85 and 326,892.51 is: 451,106.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    585,011.39 : 807,305.85 = 326,892.51 : x
  2. Step 2: Convert to fraction form
    585,011.39/807,305.85 = 326,892.51/x
  3. Step 3: Cross multiply
    585,011.39x = 807,305.85 × 326,892.51
  4. Step 4: Simplify right side
    585,011.39x = 263,902,235,644.18
  5. Step 5: Solve for x
    x = 263,902,235,644.18/585,011.39
  6. Step 6: Final answer
    x = 451,106.15

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.